StudyGuide
Tothinklikeascientist,youmustuse
r.._wz., Scienceandthe
NaturalWorldsc.1.N.1.1, sc.1.N.1.4
[:=Scientistsuseskillssuchasobserving, inferring,predicting,classifying, evaluating, and making models to study theworld.
·Vocabulary
•science • observing •inferring
•predicting • classifying •evaluating I•makingmodels•variable
1 • independent variable • dependentvariable
l
,_,1...,Measurement-ACommon
Languagesc.1.N.1.1 ,
IC.UsingSIasthestandardsystemof
Imeasurementallowsscientiststocomparedata
Iand communicate with eachother.
Ic;.JSIunitsofmeasurementincludemeter(m),
I kilogram (kg),cubic meter (m3), kilograms per
Icubicmeter(kg/m3),kelvin(K),andsecond(s).
IVocabulary
•metricsystem •InternationalSystemofUnits(SI)
I•mass•weight •volume•meniscus •density
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toobservetheworld.
Thinking Like aScientist
SC.7.N.1.1
r:;. Scientists possess certain important attitudes,includingcuriosity,honesty,creativity,
open-mindedness,skepticism,goodethics,and awareness ofbias.
Scientific reasoning requireslogicalthinkingbased on gathering and evaluatingevidence.
Vocabulary
•skepticism • ethics • personal bias• cultural bias
•experimentalbias •objective •subjective
•deductivereasoning •inductivereasoning
Mathematics andScience
SC.7.N.1.1
Math skills that scientists use to collect data include estimation,accuracy and precision, andsignificantfigures.
Q Scientists calculate percent error; findthemean,median,mode,andrange;
andcheckreasonablenesstoanalyzedata.
Vocabulary
•estimate • accuracy •precision
•significantfigures•percenterror•mean
•median • mode • range • anomalousdata
•GraphsinScience
SC.7.N.1.1
(::;Linegraphsdisplaydatathatshowhow
Ithedependentvariablechangesinresponse totheindependentvariable.
I
ILinegraphsarepowerfultoolsinscience
Ibecausetheyallowyoutoidentifytrends,
makepredictions,andrecognizeanomalousdata.
Vocabulary
( •graph •lineargraph
l•nonlineargraph
56What IsScience?
An experiment must follow soundscientific principles for its results to bevalid.
Observations and modeling are two other waysofgainingscientificknowledge.
IVocabulary
•scientific inquiry •hypothesis
'•controlledexperiment •data •repeatedtrials
•replication
GraphsinScience
13.A line graph is used when an independent variableis
<c\.Y 1.-1yI' Howdoscientists
investigatethenatural
world?
a.responsive.
c. continuous.
b.linear.
d.anomalous.
SC.7.N.1.1
19.CentralMiddleSchoolishavingproblems withattendanceduringthewinter.Many
students get sick and miss school.The
14.A_isagraph
inwhichthedatapointsdonotfallalonga straightline.
principal wants to fix the problem, but she isnotsurewhattodo.Oneideaistoinstallhandsanitizerdispensersintheclassrooms.
SC.7.N.1.1
15.MakeGeneralizationsWhatdolinegraphs helpyouseeaboutyourdata?
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SC.7.1\l.1.1
16.The facts, figures, and other evidence gathered through observations arecalled
a.conclusions.
b.data.
c.predictions.
d.hypotheses.
Thinkaboutthisproblemscientifically.What isapossiblehypothesisinthissituation?
Whatexperimentcouldyoudesigntotestit? Mention at least three attitudes or skills that will be important in finding theanswer.
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SC.7.N.1.1
17.Scientistsuse
tomakesurethatexperimentalresultsarenot duetochance.
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SC.7.N.1.2
8.;.Wr.iteAooutIt'Youareascientistandwould
,,liketostudytheplanetVenus.Youcannot
·gotoVenustocarryoutanexperiment. Whatotherwayscouldyougainscientific knowledgeabouttheplanet?
SC.7.N.1.3
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58WhatsScience?